Follows Rim Chul Ryung heading back to South Korea in pursuit of a brutal and secret criminal organization. He teams up again with Kang Jin Tae, who volunteers to work with the North Korean in order to get back on the investigation team after a mistake landed him in the cyber crime department.

A romantic comedy about a woman Oh Woo Ri, who intended to remain chaste until marriage, accidentally winds up pregnant while undergoing a medical examination.

Lee Yool falls off a cliff and nearly dies in an attempted assassination. He loses his memory, and wanders for 100 days under a new name and personality. During this period, he meets Hong Sim, head of the first detective agency in Joseon.